S D N K Bathige

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Superoxide dismutases (SODs), antioxidant metalloenzymes, represent the first line of defense in biological systems against oxidative stress caused by excessive reactive oxygen species (ROS), in particular O(2)(•-). Two distinct members of SOD family were identified from Manila clam Ruditapes philippinarum (abbreviated as RpMnSOD and RpCu/ZnSOD). The(More)
C1 inhibitor (C1Inh), a member of serpin superfamily, is a crucial regulator of the activation of various plasmatic cascades associated with immunity and inflammation. This study describes the identification and characterization of a C1Inh gene from rock bream Oplegnathus fasciatus (OfC1Inh) at structural, expressional and functional levels. The(More)
The aim of this study was to examine the antinociceptive potential of leaves of Ixora coccinea (family: Rubeaceae). One of four doses (500, 750, 1000 or 1500 mg/kg, n = 8/dose) of aqueous leaf extract (ALE) or 1 ml of distilled water was orally administered to male rats and antinociceptive activity was ascertained using three models ofnociception (tail(More)
The complement component 8α and 8β are glycoproteins that mediate formation of the membrane attack complex (MAC) on the surface of target cells. Full-length complement C8α (Rb-C8α) and C8β (Rb-C8β) sequences were identified from a cDNA library of rock bream (Oplegnathus fasciatus), and their genomic sequences were obtained by screening and sequencing of a(More)
The interferon regulatory factor (IRF) members IRF4 and IRF8 contribute to B-lymphocyte development and can act as regulators of immunoglobulin (Ig) light chain gene transcription. These two IRFs are closely interrelated and are expressed at high levels in the lymphoid and myeloid cells of the immune system. In this study, the complete cDNA and genomic(More)
Antimicrobial peptides are important innate effector molecules, playing a vital role in antimicrobial immunity in all species. Glyrichin is a transmembrane protein and an antibacterial peptide, exerting its functions against a wide range of pathogenic bacteria. In this study, cDNA and a BAC clone harboring the glyrichin gene were identified from rock bream(More)
Lysozymes are crucial antibacterial proteins that are associated with catalytic cleavage of peptidoglycan and subsequent bacteriolysis. The present study describes the identification of two lysozyme genes from disc abalone Haliotis discus discus and their characterization at sequence-, genomic-, transcriptional- and functional-levels. Two cDNAs and BAC(More)
Lysozyme is an important enzyme in the innate immune system that plays a vital role in fighting microbial infections. In the current study, we identified, cloned, and characterized a gene that encodes an invertebrate-type lysozyme from the disk abalone, Haliotis discus discus (abLysI). The full-length cDNA of abLysI consisted of 545 bp with an open reading(More)
Carboxypeptidases (CPs) are proteases that hydrolyze C-terminal peptide bonds. They are involved in regulating the complement system of the immune system. Here, we report the molecular characterization and immune response of two carboxypeptidases, named carboxypeptidase A (Rb-CPA) and carboxypeptidase N1 (Rb-CPN1), from rock bream. The genomic sequence of(More)
The membrane-attack complex/perforin (MACPF) domain-containing proteins play an important role in the innate immune response against invading microbial pathogens. In the current study, a member of the MACPF domain-containing proteins, macrophage expressed gene-1 (MPEG1) encoding 730 amino acids with the theoretical molecular mass of 79.6 kDa and an(More)